AMD Radeon HD 6490 vs NVIDIA GeForce GTX 650

VS

AMD Radeon HD 6490

NVIDIA GeForce GTX 650

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6490 and 1024MB VRAM GeForce GTX 650 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6490 's Advantages

Lower TDP (39W vs 65W)

NVIDIA GeForce GTX 650 's Advantages

Released 1 years and 2 months late

Larger VRAM bandwidth (80.00GB/s vs 16.00GB/s)

64 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6490

0.352 TFLOPS

GeForce GTX 650 +130%

0.812 TFLOPS

Radeon HD 6490

VS

GeForce GTX 650

Graphics Card

Jul 2011

Release Date

Sep 2012

Northern Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

500 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

1024MB

DDR2

Memory Type

GDDR5

128bit

Memory Bus

128bit

16.00GB/s

Bandwidth

80.00GB/s

Render Config

4

Compute Units

-

320

Shading Units

384

16

TMUs

32

8

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

4.400 GPixel/s

Pixel Rate

8.464 GPixel/s

8.800 GTexel/s

Texture Rate

33.86 GTexel/s

-

352.0 GFLOPS

FP32 (float)

812.5 GFLOPS

-

FP64 (double)

33.86 GFLOPS

Board Design

39W

TDP

65W

200 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

2x DVI 1x mini-HDMI 1.4a

None

Power Connectors

1x 6-pin

Graphics Processor

Redwood

GPU Name

GK107

Redwood LE

GPU Variant

GK107-450-A2

TeraScale 2

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.627 billion

Transistors

1.27 billion

104 mm²

Die Size

118 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

5.0

Shader Model

5.1

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